Introducing the ZAS Mountain Bike Disc Brake Hub Bicycle Thread Disk Front/Rear Brake Hubs, a must-have accessory for all cycling enthusiasts. Whether you're a professional racer or simply enjoy leisurely rides, these hubs will enhance your biking experience. Crafted with precision and durability in mind, these hubs are made of high-quality materials that ensure long-lasting performance. The rear hub features a double-head thread, allowing for a variable speed rotary flywheel on one head and a thread brake disc on the other. The front hub, on the other hand, boasts a single-head thread and can easily accommodate a thread disc brake disc. Made from steel, these hubs are built to withstand even the toughest terrains. The front hub has a shaft length of 150mm and an opening width of 100mm, with a disc distance of 52mm. The rear hub, on the other hand, has a shaft length of 180mm and an opening width of 132mm, with a disc distance of 57mm. Whether you're riding on rough gravel or tackling steep mountain trails, these hubs provide the necessary support and suspension to handle any challenge. With their rugged construction, they can withstand heavy-duty use and ensure a smooth and reliable ride. Not only are these hubs compatible with mountain bikes, but they also work seamlessly with BMX, road, and even electric bikes. The adjustable design allows for easy installation, making them suitable for both experienced mechanics and beginners. Upgrade your bike's braking system with these ZAS brake hubs. Their centric design ensures optimal performance, allowing for precise control and efficient stopping power. The caster functionality enhances maneuverability, making it easier to navigate tight corners and obstacles. Don't settle for subpar braking performance. Invest in the ZAS Mountain Bike Disc Brake Hub Bicycle Thread Disk Front/Rear Brake Hubs and experience the difference. Order now and enjoy a safer and more enjoyable biking experience.